debug.cc revision 5619:4b50a0d875da
15882Snate@binkert.org/* 25882Snate@binkert.org * Copyright (c) 2003-2005 The Regents of The University of Michigan 35882Snate@binkert.org * All rights reserved. 45882Snate@binkert.org * 55882Snate@binkert.org * Redistribution and use in source and binary forms, with or without 65882Snate@binkert.org * modification, are permitted provided that the following conditions are 75882Snate@binkert.org * met: redistributions of source code must retain the above copyright 85882Snate@binkert.org * notice, this list of conditions and the following disclaimer; 95882Snate@binkert.org * redistributions in binary form must reproduce the above copyright 105882Snate@binkert.org * notice, this list of conditions and the following disclaimer in the 115882Snate@binkert.org * documentation and/or other materials provided with the distribution; 125882Snate@binkert.org * neither the name of the copyright holders nor the names of its 135882Snate@binkert.org * contributors may be used to endorse or promote products derived from 145882Snate@binkert.org * this software without specific prior written permission. 155882Snate@binkert.org * 165882Snate@binkert.org * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 175882Snate@binkert.org * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 185882Snate@binkert.org * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 195882Snate@binkert.org * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 205882Snate@binkert.org * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 215882Snate@binkert.org * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 225882Snate@binkert.org * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 235882Snate@binkert.org * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 245882Snate@binkert.org * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 255882Snate@binkert.org * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 265882Snate@binkert.org * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 275882Snate@binkert.org * 285882Snate@binkert.org * Authors: Nathan Binkert 295882Snate@binkert.org * Steve Reinhardt 305882Snate@binkert.org */ 315882Snate@binkert.org 325882Snate@binkert.org#include <Python.h> 335882Snate@binkert.org#include <sys/types.h> 345882Snate@binkert.org#include <signal.h> 355882Snate@binkert.org#include <unistd.h> 365882Snate@binkert.org 375882Snate@binkert.org#include <string> 385882Snate@binkert.org#include <vector> 395882Snate@binkert.org 405882Snate@binkert.org#include "sim/debug.hh" 415882Snate@binkert.org#include "sim/eventq.hh" 425882Snate@binkert.org#include "sim/sim_events.hh" 435882Snate@binkert.org 445882Snate@binkert.orgusing namespace std; 455882Snate@binkert.org 46void 47debug_break() 48{ 49#ifndef NDEBUG 50 kill(getpid(), SIGTRAP); 51#else 52 cprintf("debug_break suppressed, compiled with NDEBUG\n"); 53#endif 54} 55 56// 57// Debug event: place a breakpoint on the process function and 58// schedule the event to break at a particular cycle 59// 60struct DebugBreakEvent : public Event 61{ 62 DebugBreakEvent(); 63 void process(); // process event 64 virtual const char *description() const; 65}; 66 67// 68// constructor: schedule at specified time 69// 70DebugBreakEvent::DebugBreakEvent() 71 : Event(Debug_Break_Pri) 72{ 73 setFlags(AutoDelete); 74} 75 76// 77// handle debug event: set debugger breakpoint on this function 78// 79void 80DebugBreakEvent::process() 81{ 82 debug_break(); 83} 84 85 86const char * 87DebugBreakEvent::description() const 88{ 89 return "debug break"; 90} 91 92// 93// handy function to schedule DebugBreakEvent on main event queue 94// (callable from debugger) 95// 96void 97schedBreakCycle(Tick when) 98{ 99 mainEventQueue.schedule(new DebugBreakEvent, when); 100 warn("need to stop all queues"); 101} 102 103void 104eventqDump() 105{ 106 mainEventQueue.dump(); 107 warn("need to dump all queues"); 108} 109 110void 111py_interact() 112{ 113 PyObject *globals; 114 PyObject *locals; 115 116 globals = PyEval_GetGlobals(); 117 Py_INCREF(globals); 118 locals = PyDict_New(); 119 PyRun_String("import code", Py_file_input, globals, locals); 120 PyRun_String("code.interact(local=globals())", Py_file_input, 121 globals, locals); 122 Py_DECREF(globals); 123 Py_DECREF(locals); 124} 125 126int remote_gdb_base_port = 7000; 127 128int 129getRemoteGDBPort() 130{ 131 return remote_gdb_base_port; 132} 133 134// Set remote GDB base port. 0 means disable remote GDB. 135// Callable from python. 136void 137setRemoteGDBPort(int port) 138{ 139 remote_gdb_base_port = port; 140} 141 142